Avalanche Forecast
Issued: Apr 17th, 2019 8:00AM
The alpine rating is , the treeline rating is , and the below treeline rating is Known problems include Storm Slabs and Loose Wet.
ross campbell,
Parks Canada
High quality powder skiing can be found in the Alpine on North and East aspects. Reactive storm slabs are also be lurking in the Alpine and at Tree Line.
Summary
Weather Forecast
Today: Snow ending late this morning then a mix of sun and cloud, snowfall 2-4cm, FL rising to 1900m, and Strong Southerly winds. Thursday: 30cm of new snow in the Alpine, probably 30mm of rain BTL, FL making it to 2400m. Friday: Flurries.
Snowpack Summary
Another 10cm at Mt Fidelity brings our storm total to 45cm since Sunday. Strong South winds overnight created soft slabs in the alpine and exposed areas of treeline. Storm slabs overlie melt-freeze crusts on all asp, and elev, except Nth alpine. Poor cr recovery BTL with the new snow insulating the melt freeze crust, which covers isothermal snow.
Avalanche Summary
No new avalanches have been observed in the HWY corridor, or reported from the back country since Sunday. On Sunday there was a skier remote size 2 triggered on Video Peak. Six people in the area, three involved, no gear lost, no burials, & no injuries. The parties that triggered the avalanche had deviated from the regular ascent route to Video Pk.
Confidence
Problems
Storm Slabs
45cm + of storm snow along with moderate to strong S-SW winds, formed storm slabs in the alpine and exposed areas of treeline. These slabs were easily triggered by skiers on Sunday, initiating from 50m away.
- Be careful with wind loaded pockets, especially near ridge crests and roll-overs.
- Use caution in lee areas in the alpine and treeline. Storm snow is forming reactive slabs.
Aspects: All aspects.
Elevations: Alpine, Treeline.
Likelihood
Expected Size
Loose Wet
If the sun comes out today, our new snow will turn moist and avalanche easily. Storm snow, warm temperatures, and possible strong solar input is a great recipe for a natural cycle. Steep solar asp will be the primary concern.
- Daytime warming will weaken surface layers.
Aspects: South East, South, South West, West, North West.
Elevations: All elevations.
Likelihood
Expected Size
Valid until: Apr 18th, 2019 8:00AM
